Speaker-microphone



FIG. 1 is a front elevation view of a speaker-microphone showing the new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a front, left side perspective view thereof; and,

FIG. 6 is a top plan view thereof.

The portions of the design shown in broken lines show unclaimed subject matter. 

CLAIM The ornamental design for a speaker-microphone, as shown and described. 